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CSC 481 - CHAPTER 9: TESTING QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS 2024
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CSC 481 - CHAPTER 9: TESTING QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS 2024
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CSC 481 - CHAPTER 9: TESTINGQUESTIONS AND ANSWERS WITH
VERIFIED SOLUTIONS 2024
List two causes of program bugs. - ANSWER Programming errors and understanding errors.
Define what is meant by 'functional testing'. - ANSWER Testing the functionality of a program to find
bugs and to demonstrate that the software
works as expected.
Apart from functional testing, list three other types of program testing. - ANSWER User testing,
performance and load testing, security testing.
What are the two phases of user testing? - ANSWER Alpha testing, where the aim of testing is to answer
the question 'do users want the
planned system features?' and beta testing where users test the usability of a product.
What general principle underlies unit testing? - ANSWER If a program behaves as expected for a set of
inputs with some shared characteristics, it will behave in the same way for a larger set whose members
share these characteristics.
What is an equivalence partition? Give an example. - ANSWER A set of inputs that have some common
characteristic, such as positive integers less than 1000.
List five unit testing guidelines. - ANSWER Any five from: test edge cases, force errors, fill buffers, repeat
yourself, overflow and underflow, don't forget null and zero, keep count, one is different.
What are the two types of test involved in feature testing? - ANSWER Interaction tests and usefulness
tests.
What four things is system testing concerned with?v - ANSWER Testing to discover feature interactions,
testing to discover if features do what users want,
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